<!DOCTYPE html>
<title>Character Decoding - Invalid Trail Bytes</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="resources/char-decoding-utils.js"></script>
<script>

// UTF-8 codec emits replacement characters
testDecode('UTF-8', '%C3%22', 'U+FFFD/U+0022');
testDecode('UTF-8', '%E2%22', 'U+FFFD/U+0022');
testDecode('UTF-8', '%E2%A0%22', 'U+FFFD/U+0022');
testDecode('UTF-8', '%F0%90%80%22', 'U+FFFD/U+0022');

// When a trail byte is in the ASCII range and lead+trail does not
// encode a character, the ASCII trail byte has to be added back to
// the stream. Otherwise, lead+trail as a whole is turned to U+FFFD.
testDecode('EUC-KR', '%C4%22', 'U+FFFD/U+0022');
testDecode('EUC-KR', '%C4%5C', 'U+FFFD/U+005C');
testDecode('EUC-KR', '%C4%7B', 'U+FFFD/U+007B');
testDecode('EUC-KR', '%C6%53', 'U+FFFD/U+0053');
testDecode('EUC-KR', '%C7%41', 'U+FFFD/U+0041');
testDecode('EUC-KR', '%C7%81', 'U+FFFD');
testDecode('EUC-KR', '%FE%A1', 'U+FFFD');

// TODO(jshin): Add more tests for EUC-JP.
testDecode('EUC-JP', '%8F%A1%A1', 'U+FFFD');
testDecode('EUC-JP', '%8F%A1%81%22', 'U+FFFD/U+FFFD/U+0022');
testDecode('EUC-JP', '%8F%A1%22', 'U+FFFD/U+FFFD/U+0022');
testDecode('EUC-JP', '%8E%8E%A1', 'U+FFFD/U+FF61');
testDecode('EUC-JP', '%8E%E0', 'U+FFFD/U+FFFD');

testDecode('Big5', '%A1%22', 'U+FFFD/U+0022');
testDecode('Big5', '%87%66', 'U+FFFD/U+0066');
testDecode('Big5', '%89%44', 'U+FFFD/U+0044');
testDecode('Big5', '%8A%63', 'U+FFFD/U+0063');
testDecode('Big5', '%8B%54', 'U+FFFD/U+0054');
testDecode('Big5', '%8D%41', 'U+FFFD/U+0041');
testDecode('Big5', '%9B%61', 'U+FFFD/U+0061');
testDecode('Big5', '%9F%4E', 'U+FFFD/U+004E');
testDecode('Big5', '%A0%54', 'U+FFFD/U+0054');


testDecode('Shift_JIS', '%82%23', 'U+FFFD/U+0023');
testDecode('Shift_JIS', '%82%5C', 'U+FFFD/U+005C');
testDecode('Shift_JIS', '%82%7A', 'U+FFFD/U+007A');
testDecode('Shift_JIS', '%84%61', 'U+FFFD/U+0061');
testDecode('Shift_JIS', '%85%7B', 'U+FFFD/U+007B');
testDecode('Shift_JIS', '%87%7B', 'U+FFFD/U+007B');
testDecode('Shift_JIS', '%98%7E', 'U+FFFD/U+007E');
testDecode('Shift_JIS', '%FC%5B', 'U+FFFD/U+005B');

// See https://www.w3.org/Bugs/Public/show_bug.cgi?id=28141#c4
// We're different from the encoding spec as of 2015-03-18.
testDecode('shift_jis', '%EB%9F', 'U+FFFD');

</script>
